RZ 390 H-errors

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  • Artsmith
    • Jan 2025
    #1

    RZ 390 H-errors

    Can anyone tell me why a Riso RZ 390 shows H errors every time it's switched on? It asks for the whole set, 1 through 6, and then sometimes then it still doesn't want to print. I've used two different inks -- one with and one without the chip. Any thoughts?

    Thanks
    Tags: 390, error, rf tag, riso, rz 390, switched
    • Kopyrtek
      Copier Psychologist

      250+ Posts
      • Jan 2007
      • 407
      #2
      May have a bad board in the drum.Can you swap drums to see?Sounds like it is not reading the RF tag from the ink.

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        • 20gaugeO/U
          Senior Tech

          500+ Posts
          • Feb 2009
          • 552
          #3
          Reseat connectors on drum PCB and reset Test Mode 117 (Drum Memory Clear) and TM 890 (RF Tag Data)

          A long while back we recieved a bad shipment of ink. The RF tags on the ink would randomly fail. New tube, mid tube whenever. You could take the tube to a different machine and it would code out.

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